Key Findings * Nine critical vulnerabilities discovered in Linux AppArmor security module * Enables root escalation and container isolation bypass * Affects Linux kernels since version 4.11 * Impacts over 12.6 million enterprise Linux instances * Allows unprivileged users to manipulate security profiles * Can trigger denial-of-service attacks * Enables arbitrary code execution within kernel * No CVE identifiers assigned yet * Vulnerabilities exist since 2017 Background AppArm
